CN217074650U

CN217074650U - Electric tricycle with collision emergency braking function

Info

Publication number: CN217074650U
Application number: CN202220376837.6U
Authority: CN
Inventors: 宋庆领
Original assignee: Xuzhou Chaolida Electric Vehicle Co ltd
Current assignee: Xuzhou Chaolida Electric Vehicle Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-29
Anticipated expiration: 2032-02-24

Abstract

The utility model belongs to the technical field of electric motor cars, and discloses an electric tricycle with collision emergency braking, which comprises a frame, wherein a head, a saddle and a carriage are sequentially arranged at the upper end of the frame, front wheels are arranged on the frame below the head, two rear wheels are arranged on the frame below the carriage, a driving shaft is arranged between the two rear wheels, and a speed reducer capable of increasing the rotating friction force of the driving shaft is arranged at the bottom of the carriage; a front bumper is arranged at one end of the headrest close to the front wheel, and a collision mechanism is arranged at one side of the front wheel far away from the head of the vehicle; the bottom of the frame is also provided with a transmission mechanism. The utility model discloses can realize when the collision takes place, utilize the transmission of impact force, and then control decelerator brakies the drive shaft, absorbs the impact force through arranging the buffer gear who keeps off in the front simultaneously, avoids causing direct striking injury to vehicle itself, has also protected driver and crew's safety.

Description

Electric tricycle with collision emergency braking function

Technical Field

The utility model belongs to the technical field of electric motor car equipment, concretely relates to electric tricycle with collision emergency braking.

Background

The electric power is used as an important energy source with environmental protection, cleanness and high conversion rate, is widely applied to production and life, is used as the application to drive the updating and upgrading of vehicles, promotes the low-carbon development of the transportation industry, reduces the transportation cost, saves the energy source and protects the environment, is one of the important subjects of worldwide research, and has been applied to the fields of electric urban public transport vehicles, factory and mine electric transport vehicles, electric urban environmental sanitation clean vehicles, engineering, tunnels, subway construction special vehicles and the like after decades of development.

The electric tricycle has the advantages of strong applicability, flexibility, simple maintenance, convenient maintenance, low price and the like, and can flexibly pass through narrow roads.

The electric tricycle is provided with a reversing switch, so that the reversing running function can be conveniently realized, the electric tricycle is very practical in narrow roads such as alleys and alleys, and is very convenient for running and parking.

Because the electric tricycle is huge in holding quantity, traffic accidents caused by the electric tricycle frequently occur, and the existing electric tricycle is lack of a collision protection design, so that drivers and passengers and the electric tricycle are injured once collision accidents occur.

SUMMERY OF THE UTILITY MODEL

The problem that exists to above-mentioned prior art, the utility model provides an electric tricycle with collision emergency braking, can realize when the collision takes place, utilize collision mechanism to replace the vehicle and collide, and when the collision takes place, utilize the transmission of impact force, and then control decelerator brakies the drive shaft, stop the vehicle before the braking system of vehicle itself intervenes, absorb the impact force through arranging the buffer gear who keeps off in the front simultaneously, avoid causing direct impact injury to vehicle itself, driver and crew's safety has also been protected.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric tricycle with collision emergency braking comprises a frame, wherein a head, a saddle and a carriage are sequentially arranged at the upper end of the frame, front wheels are arranged on the frame below the head, two rear wheels are arranged on the frame below the carriage, a driving shaft is arranged between the two rear wheels, and a speed reduction device capable of increasing the rotating friction force of the driving shaft is arranged at the bottom of the carriage;

a front bumper is arranged at one end of the headrest close to the front wheel, and a collision mechanism for replacing vehicle collision is arranged at one side of the front wheel far away from the vehicle head;

and the bottom of the frame is also provided with a transmission mechanism which is connected with the collision mechanism and can control the speed reducer to reduce the speed of the driving shaft.

Preferably, the speed reducer comprises a rubber sheet arranged on the driving shaft, a fixed plate fixedly connected with the bottom of the frame, and two resistance increasing blocks arranged on two sides of the rubber sheet and movably connected with the rubber sheet, wherein the two resistance increasing blocks are connected with the fixed plate in a sliding manner.

Preferably, an anti-slip layer is arranged on the surface of the rubber sheet, and arc-shaped friction plates connected with the rubber sheet are uniformly arranged at one adjacent ends of the two resistance increasing blocks.

Preferably, the collision mechanism comprises trigger barrels symmetrically arranged on two sides of the front wheel and a support frame used for supporting the trigger barrels, a buffer mechanism for buffering the impact of the trigger barrels is arranged between the support frame and the front bumper, a first branch frame and a second branch frame are arranged in parallel at the position, located at the bottom of the frame, of the support frame, and the second branch frame is fixedly connected with the resistance increasing block close to the front wheel.

Preferably, the buffer mechanism comprises a spring connected with the front bumper and a stepped shaft inserted into the spring and movably connected with the spring, and the large head end of the stepped shaft is fixedly connected with the support frame.

Preferably, the transmission mechanism comprises a first toothed plate fixedly connected with the branch frame, a gear meshed with the first toothed plate, and a second toothed plate arranged in parallel with the first toothed plate and meshed with the gear, the gear is rotatably connected with the fixed plate, and the second toothed plate is fixedly connected with the resistance increasing block far away from the front wheel.

Preferably, the surface of the trigger bucket is wrapped with a foam energy absorbing layer.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the speed reduction device capable of increasing the rotating friction force of the driving shaft is arranged at the bottom of the carriage to control the rotation of the driving shaft, and the speed reduction device can be triggered to limit the rotation of the driving shaft when collision occurs, so that the rotating friction force of the driving shaft is increased, and the wheels are promoted to decelerate and stop the vehicle before a brake system is not involved;

(2) the collision mechanism replacing vehicle collision is arranged on one side of the front wheel, which is far away from the vehicle head, when the collision mechanism is triggered, the triggering barrel is used for replacing vehicle head collision, and the transmission mechanism is used for controlling the speed reduction device to reduce the speed of the driving shaft, so that the damage to the vehicle during collision is greatly reduced;

(3) the impact of the collision mechanism can be relieved when collision occurs, the safety of drivers and passengers is also protected when the collision mechanism and a vehicle are prevented from being damaged, and pedestrians are protected by wrapping the foam energy absorption layer on the trigger barrel.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the transmission mechanism of the present invention.

Description of reference numerals:

1-a frame, 2-a headstock, 3-a saddle, 4-a carriage, 5-a front wheel, 6-a rear wheel, 7-a driving shaft, 8-a front stop, 9-a rubber sheet, 10-a fixing plate, 11-a resistance increasing block, 12-an arc friction plate, 13-a trigger barrel, 14-a support frame, 15-a first branch frame, 16-a second branch frame, 17-a spring, 18-a stepped shaft, 19-a first toothed plate, 20-a gear and 21-a second toothed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the electric tricycle with crash emergency braking provided by the present embodiment includes a frame 1, a head 2, a seat 3 and a carriage 4 are sequentially arranged at the upper end of the frame 1, a front wheel 5 is arranged on the frame 1 below the head 2, two rear wheels 6 are arranged on the frame 1 below the carriage 4, a driving shaft 7 is arranged between the two rear wheels 6, and a speed reducer capable of increasing the rotational friction of the driving shaft 7 is arranged at the bottom of the carriage 4, and when a crash occurs, the speed reducer can be triggered to limit the rotation of the driving shaft 7, and increase the friction of the rotation of the driving shaft 7, so as to promote the vehicle to decelerate and stop before a braking system is not involved; specifically, the speed reducer comprises a rubber sheet 9 arranged on a driving shaft 7, a fixing plate 10 fixedly connected with the bottom of a frame 1, and two resistance increasing blocks 11 arranged on two sides of the rubber sheet 9 and movably connected with the rubber sheet 9, wherein the two resistance increasing blocks 11 are in sliding connection with the fixing plate 10, specifically, an anti-skid layer is arranged on the surface of the rubber sheet 9, arc-shaped friction plates 12 connected with the rubber sheet 9 are uniformly arranged at one adjacent ends of the two resistance increasing blocks 11, the two resistance increasing blocks 11 are controlled to move on the fixing plate 10, when the two resistance increasing blocks 11 are in contact with the driving shaft 7, the arc-shaped friction plates 12 are in contact with the rubber sheet 9, the anti-skid layers on the rubber sheet 9 and the arc-shaped friction plates 12 are in contact with each other to generate a large friction force, the rotation of the driving shaft 7 is forcibly slowed down, and therefore the emergency speed reduction and stopping of a vehicle are achieved.

A front bumper 8 is arranged at one end of the vehicle head 2 close to the front wheel 5, and a collision mechanism for replacing vehicle collision is arranged at one side of the front wheel 5 far away from the vehicle head 2; specifically, the collision mechanism comprises trigger barrels 13 symmetrically arranged on two sides of a front wheel 5 and a support frame 14 used for supporting the trigger barrels 13, a buffer mechanism for buffering the impact of the trigger barrels 13 is arranged between the support frame 14 and a front bumper 8, a first branch frame 15 and a second branch frame 16 are arranged in parallel at the position, located at the bottom of a frame 1, of the support frame 14, the second branch frame 16 is fixedly connected with a resistance increasing block 11 close to the front wheel 5, the second branch frame 16 can drive the resistance increasing block 11 to move on a fixing plate 10 synchronously when moving, a foam energy absorbing layer wraps the surface of the trigger barrel 13, the foam energy absorbing layer plays a certain protection role in protecting the vehicle and pedestrians, the trigger barrels 13 replace the vehicle to generate collision when the collision occurs, the buffer mechanism buffers the impact generated by the collision, and the impact on the vehicle and a driver is reduced.

Specifically, buffer gear includes spring 17 and the step shaft 18 that inserts spring 17 and spring 17 swing joint that is connected with preceding fender 8, the stub end and the support frame 14 fixed connection of step shaft 18, when bumping, support frame 14 drives step shaft 18 and moves to preceding fender 8, and spring 17 takes place elastic deformation and accepts the pressure of step shaft 18, and then the impact force that buffer support frame 14 brought.

And a transmission mechanism which is connected with the collision mechanism and can control the speed reduction device to reduce the speed of the driving shaft 7 is arranged at the bottom of the frame 1.

Specifically, the transmission mechanism comprises a first toothed plate 19 fixedly connected with a first branch frame 15, a gear 20 in meshed connection with the first toothed plate 19, and a second toothed plate 21 arranged in parallel with the first toothed plate 19 and in meshed connection with the gear 20, the gear 20 is rotatably connected with the fixing plate 10, the second toothed plate 21 is fixedly connected with the resistance increasing block 11 far away from the front wheel 5, the support frame 14 drives the first branch frame 15 to move when collision occurs, the first branch frame 15 drives the first toothed plate 19 to move synchronously, the second toothed plate 21 is driven to move through transmission of the gear 20, and the second toothed plate 21 and the first toothed plate 19 move synchronously and reversely, so that the resistance increasing block 11 can be controlled to move towards the front wheel 5.

When collision occurs, the trigger barrel 13 firstly replaces a vehicle to collide, when the trigger barrel 13 collides, the trigger barrel 13 and the support frame 14 move towards the rear direction of the vehicle, the support frame 14 drives the first branch frame 15 and the second branch frame 16 to move synchronously, the second branch frame 16 drives the resistance increasing blocks 11 to move synchronously on the fixing plate 10 towards the direction of the rear wheel 6, meanwhile, the first branch frame 15 drives the first toothed plate 19 to move synchronously, the second toothed plate 21 is driven to move through the transmission of the gear 20, the movement of the second toothed plate 21 and the movement of the first toothed plate 19 are in synchronous reverse, so that the resistance increasing blocks 11 can be controlled to move towards the front wheel 5, the movement directions of the two resistance increasing blocks 11 are in synchronous reverse, so that a clamping state can be formed for the driving shaft 7, the arc-shaped friction plate 12 is contacted with the rubber plate 9, and a larger friction force is generated between the contact of an anti-slip layer on the rubber plate 9 and the arc-shaped friction plate 12, the rotation of the driving shaft 7 is forcibly slowed down, so that the vehicle is subjected to emergency speed reduction and stop, and the vehicle is braked before the intervention of a braking system of the vehicle, so that the collision accident of the vehicle is greatly reduced.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electric tricycle with collision emergency braking comprises a frame (1), and is characterized in that a head (2), a saddle (3) and a carriage (4) are sequentially arranged at the upper end of the frame (1), front wheels (5) are arranged on the frame (1) below the head (2), two rear wheels (6) are arranged on the frame (1) below the carriage (4), a driving shaft (7) is arranged between the two rear wheels (6), and a speed reduction device capable of increasing the rotating friction force of the driving shaft (7) is arranged at the bottom of the carriage (4);

a front bumper (8) is arranged at one end of the vehicle head (2) close to the front wheel (5), and a collision mechanism for replacing vehicle collision is arranged at one side of the front wheel (5) far away from the vehicle head (2);

and a transmission mechanism which is connected with the collision mechanism and can control the speed reduction device to reduce the speed of the driving shaft (7) is arranged at the bottom of the frame (1).

2. The electro-tricycle with crash emergency braking according to claim 1, characterised in that the reduction gear comprises a rubber sheet (9) arranged on the drive shaft (7), a fixed plate (10) fixedly connected with the bottom of the frame (1), two resistance increasing blocks (11) arranged on both sides of the rubber sheet (9) and movably connected with the rubber sheet (9), wherein the two resistance increasing blocks (11) are connected with the fixed plate (10) in a sliding manner.

3. The electro-tricycle with crash emergency braking according to claim 2, characterized in that the surface of the rubber sheet (9) is provided with an anti-slip layer, and the adjacent ends of the two resistance increasing blocks (11) are provided with arc-shaped friction plates (12) connected with the rubber sheet (9).

4. The electro-tricycle with the collision emergency brake is characterized in that the collision mechanism comprises trigger barrels (13) symmetrically arranged on two sides of a front wheel (5) and a support frame (14) used for supporting the trigger barrels (13), a buffer mechanism used for buffering the impact of the trigger barrels (13) is arranged between the support frame (14) and a front bumper (8), a first branch frame (15) and a second branch frame (16) are arranged in parallel at the position, located at the bottom of a frame (1), of the support frame (14), and the second branch frame (16) is fixedly connected with a resistance increasing block (11) close to the front wheel (5).

5. An electro-tricycle with crash emergency braking according to claim 4, characterised in that the damping mechanism comprises a spring (17) connected to the front bumper (8) and a stepped shaft (18) inserted into the spring (17) and movably connected to the spring (17), the large end of the stepped shaft (18) being fixedly connected to the supporting frame (14).

6. The electro-tricycle with crash emergency braking according to claim 4, characterized in that the transmission mechanism comprises a first toothed plate (19) fixedly connected with the first sub-frame (15), a gear (20) in meshed connection with the first toothed plate (19), and a second toothed plate (21) arranged in parallel with the first toothed plate (19) and in meshed connection with the gear (20), the gear (20) being rotatably connected with the fixed plate (10), the second toothed plate (21) being fixedly connected with the resistance increasing block (11) far away from the front wheel (5).

7. The electro-tricycle with crash emergency braking according to claim 4, characterised in that the surface of the trigger tub (13) is coated with a foam energy absorbing layer.